Access control icon for a portion of a computer display



FIG. 1 is a front view of an access control icon for a portion of a computer display;

FIG. 2 is a front view of a second embodiment thereof; and,

FIG. 3 is an enlarged front view of the embodiment shown in FIG. 1.

The broken line drawing of an undefined portion of a display screen in all views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an access control icon for a portion of a computer display, as shown and described. 